Библиографическая ссылка на патент
Pat. 10374445 United States, Int. Cl.22 H02J 7/00, H02M 3/335. Isolated bidirectional constant-current maintenance system based on power supply source of shared device : Appl. N 15/547045 : Filed 19.01.2016 : Pub. 06.08.2019 : / Hao Wang, Jianhong Xu ; Assignee Hangzhou Gold Electronic Equipment Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10374445/en?oq=US10374445.html (дата обращения: ДД.ММ.ГГГГ).